Less than 20% Idle Time - 37,000 mi / 60,000 km / 1,125 hrs / 6 mo
2
Air system and compressor
• Refer to Air Compressor on page 93 for maintenance instructions.
• Refer to Engine Air Filters on page 93 for maintenance instructions.
Charge Air System
• Refer to Charge Air Piping on page 93 for maintenance instructions.
• Refer to Charge Air Cooler on page 93 for maintenance instructions.
Charging/Cranking System
• Refer to Electrical Harness / Cables on page 95 for maintenance instructions.
Cooling System
• Refer to Coolant/Antifreeze Condition on page 83 for maintenance instructions.
Less than 20% Idle Time - 75,000
mi / 120,000 km / 2,250 hrs / 12 mo
(1 yr)
Less than 20% Idle Time - 75,000 mi / 120,000 km / 2,250 hrs / 12 mo (1 yr)
3
Charging / Cranking System
• Refer to Batteries, Cables, and Connections on page 96 for maintenance instructions.
2
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
3
Ensure that all maintenance intervals leading up to this point are repeated during this interval prior to the completion of
those listed here.
ENGINE MAINTENANCE - Normal Duty/Line Haul
Y53-1166-1M1 (10/2020) 35
2
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